wip: Add initial TS typings.

Author: ghengeveld

typings/index.d.ts

@@ -0,0 +1,44 @@
+import * as React from "react"
+
+type ChildrenFunction = (state: object) => React.ReactNode
+
+interface AsyncProps {
+  children?: React.ReactNode | ChildrenFunction
+  promiseFn?(props: object): Promise<any>
+  deferFn?(props: object): Promise<any>
+  watch?: any
+  initialValue?: any
+  onResolve?(data: any): any
+  onReject?(error: Error): any
+}
+
+interface PendingProps {
+  children?: React.ReactNode | ChildrenFunction
+  persist?: boolean
+}
+
+interface LoadingProps {
+  children?: React.ReactNode | ChildrenFunction
+  initial?: boolean
+}
+
+interface ResolvedProps {
+  children?: React.ReactNode | ChildrenFunction
+  persist?: boolean
+}
+
+interface RejectedProps {
+  children?: React.ReactNode | ChildrenFunction
+  persist?: boolean
+}
+
+declare class Async extends React.Component<AsyncProps, any> {
+  public static Pending: React.SFC<PendingProps>
+  public static Loading: React.SFC<LoadingProps>
+  public static Resolved: React.SFC<ResolvedProps>
+  public static Rejected: React.SFC<RejectedProps>
+}
+
+declare function createInstance(defaultProps?: object): Async
+
+export default createInstance